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Schools and the equal opportun... 手動新增

edited by Ludger Woessmann and Paul E. Peterson.

MIT Press

Schools and the equal opportun... 手動新增

edited by Ludger Woessmann and Paul E. Peterson.

MIT Press

Nanoscale calibration standard... 手動新增

edited by G鋎nter Wilkening, Ludger Koenders.

Wiley-VCH

Shifting boundaries of belongi... 手動新增

edited by Ludger Pries.

Palgrave Macmillan

Unity and time in metaphysics 手動新增

edited by Ludger Honnefelder, Edmund Runggaldier, and Benedikt Schick.

W. de Gruyter

Comparative political leadersh... 手動新增

edited by Ludger Helms.

Palgrave Macmillan